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realgar

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realgar

Main Entry:: re·al·gar
Pronunciation:: \rē-ˈal-ˌgär, -gər\
Function:: noun
Etymology:: Middle English, from Medieval Latin, from Catalan, from Arabic rahj al-ghār powder of the mine
Date:: 15th century

: an orange-red mineral consisting of arsenic sulfide and having a resinous luster

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